DIAMETER SIZES:HB RING RAIL ALSO AVAILBLE IN THE FOLLOWING SIZES: -19mm (.750")
-25.4mm (1.00")
-30.1 (1.187")
-31.8mm (1.252")
-32.4mm (1.275")
-IF YOU WOULD LIKE ONE OF THE ABOVE SIZES, RATHER THAN THE 31.8 STANDARD SIZE, PLEASE INDICATE THE DESIRED SIZE ON THE DROP DOWN BOX BELOW.

NEOPRENE ID's: The above is lined with neoprene for vibration dampening and an enhanced no scratch fit. Please see our FAQ section for more information on diameter sizes, application and use.